
<h1><span class="yiyi-st" id="yiyi-13">numpy.ma.filled</span></h1>
        <blockquote>
        <p>原文：<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.ma.filled.html">https://docs.scipy.org/doc/numpy/reference/generated/numpy.ma.filled.html</a></p>
        <p>译者：<a href="https://github.com/wizardforcel">飞龙</a> <a href="http://usyiyi.cn/">UsyiyiCN</a></p>
        <p>校对：（虚位以待）</p>
        </blockquote>
    
<dl class="function">
<dt id="numpy.ma.filled"><span class="yiyi-st" id="yiyi-14"> <code class="descclassname">numpy.ma.</code><code class="descname">filled</code><span class="sig-paren">(</span><em>a</em>, <em>fill_value=None</em><span class="sig-paren">)</span><a class="reference external" href="http://github.com/numpy/numpy/blob/v1.11.3/numpy/ma/core.py#L599-L642"><span class="viewcode-link">[source]</span></a></span></dt>
<dd><p><span class="yiyi-st" id="yiyi-15">将输入作为数组，将掩码数据替换为填充值。</span></p>
<p><span class="yiyi-st" id="yiyi-16">如果<em class="xref py py-obj">a</em>不是<a class="reference internal" href="../maskedarray.baseclass.html#numpy.ma.MaskedArray" title="numpy.ma.MaskedArray"><code class="xref py py-obj docutils literal"><span class="pre">MaskedArray</span></code></a>，则返回<em class="xref py py-obj">a</em>本身。</span><span class="yiyi-st" id="yiyi-17">如果<em class="xref py py-obj">a</em>为<a class="reference internal" href="../maskedarray.baseclass.html#numpy.ma.MaskedArray" title="numpy.ma.MaskedArray"><code class="xref py py-obj docutils literal"><span class="pre">MaskedArray</span></code></a>且<em class="xref py py-obj">fill_value</em>为无，<em class="xref py py-obj">fill_value</em>设置为<code class="docutils literal"><span class="pre">a.fill_value</span></code></span></p>
<table class="docutils field-list" frame="void" rules="none">
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<tr class="field-odd field"><th class="field-name"><span class="yiyi-st" id="yiyi-18">参数：</span></th><td class="field-body"><p class="first"><span class="yiyi-st" id="yiyi-19"><strong>a</strong>：MaskedArray或array_like</span></p>
<blockquote>
<div><p><span class="yiyi-st" id="yiyi-20">输入对象。</span></p>
</div></blockquote>
<p><span class="yiyi-st" id="yiyi-21"><strong>fill_value</strong>：标量，可选</span></p>
<blockquote>
<div><p><span class="yiyi-st" id="yiyi-22">灌装值。</span><span class="yiyi-st" id="yiyi-23">默认值为None。</span></p>
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</tr>
<tr class="field-even field"><th class="field-name"><span class="yiyi-st" id="yiyi-24">返回：</span></th><td class="field-body"><p class="first"><span class="yiyi-st" id="yiyi-25"><strong>a</strong>：ndarray</span></p>
<blockquote class="last">
<div><p><span class="yiyi-st" id="yiyi-26">填充数组。</span></p>
</div></blockquote>
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</tr>
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<div class="admonition seealso">
<p class="first admonition-title"><span class="yiyi-st" id="yiyi-27">也可以看看</span></p>
<p class="last"><span class="yiyi-st" id="yiyi-28"><a class="reference internal" href="numpy.ma.compressed.html#numpy.ma.compressed" title="numpy.ma.compressed"><code class="xref py py-obj docutils literal"><span class="pre">compressed</span></code></a></span></p>
</div>
<p class="rubric"><span class="yiyi-st" id="yiyi-29">例子</span></p>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">x</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">ma</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mi">9</span><span class="p">)</span><span class="o">.</span><span class="n">reshape</span><span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="mi">3</span><span class="p">),</span> <span class="n">mask</span><span class="o">=</span><span class="p">[[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">],</span>
<span class="gp">... </span>                                                  <span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">],</span>
<span class="gp">... </span>                                                  <span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">]])</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">x</span><span class="o">.</span><span class="n">filled</span><span class="p">()</span>
<span class="go">array([[999999,      1,      2],</span>
<span class="go">       [999999,      4,      5],</span>
<span class="go">       [     6,      7,      8]])</span>
</pre></div>
</div>
</dd></dl>
